Uxcell a15060100ux0582 Uxcell Silicone rubber tube - will withstand repeated use and for visual inspection of fluids. Size: 6X8mm(Inner DiaXOuter Dia); Length: 1M(3.3'); Wall Thickness: 1mm(0.04") Operating Temperature: minus 76 to 428 Degree Fahrenheit; Hardness: 65 Degree Good electrical and weather ability properties - resists u.V., ozone, gases, and moisture. Silicone tubing -use for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change, etc.